Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7243997 | Positioning device for furniture | — | 2007-07-17 |
| 5951107 | Height adjusting device with audible feedback | — | 1999-09-14 |
| 5660442 | Adjusment device for chair arms | — | 1997-08-26 |
| 5586811 | Adjustment device for chair arms | — | 1996-12-24 |
| 5388892 | Mechanism for the relative positioning of telescoping members | — | 1995-02-14 |
| 5338133 | Lever clamp mechanism | — | 1994-08-16 |
| 4930840 | Hinged height adjusting device | — | 1990-06-05 |
| 4749230 | Height adjusting device for chair backrest | — | 1988-06-07 |
| 4720068 | Seat support column | — | 1988-01-19 |
| 4616812 | Hydropneumatic spring cylinder and method of filling the same | — | 1986-10-14 |
| 4613106 | Mechanical adjustable column | — | 1986-09-23 |